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Free download in PDF linux Multiple Choice Questions(MCQs) & Answers. These multiple choice questions on Computer Science are very useful for NIELIT, BCA, B.Sc. MCA, M.Sc. B.Tech, M.Tech, BE, ME students an interview for various positions like Web Developer, System Analyst etc.
121
What does chmod +t do?
[A]wrong syntax
[B]set effective userid for filename
[C]set effective groupid for filename
[D]set the sticky bit
122
Which of the following umask settings doesn’t allow execute permission to be set by default on directory files
[A]222
[B]111
[C]000
[D]444
123
Which of the following umask settings allow execute permission to be set by default on regular files
[A]222
[B]111
[C]000
[D]None of the given choices
124
The command chmod 4777 a.out
[A]will set the suid bit of a.out
[B]will set the suid bit of a.out only if the command is issued by root
[C]is not a valid command
[D]will set the sticky bit of a.out
125
Which command is used to check filesystem usage in a system?
[A]mount
[B]df
[C]du
[D]dd
126
Which among the following allows fast file system recovery?
[A]Ext2
[B]Journaling
[C]Caching
[D]Sysfs
View Answer
127
Which filesystem can be used to change certain kernel parameters at runtime using sysctl command?
[A]Ext3
[B]Sysfs
[C]Ext4
[D]Procfs
View Answer
128
Filesystem for CDROM is:
[A]Ext2
[B]Ext3
[C]Isofs
[D]Procfs
View Answer
129
Which file system has journaling capability?
[A]Ext2
[B]Ext4
[C]Isofs
[D]Procfs
View Answer
130
Which file contains the filesystems to be automatically mounted during boot?
[A]/etc/mount
[B]/etc/fstab
[C]/etc/inittab
[D]/etc/boot
View Answer
131
____ is a directory (which should exist), on which to mount the file system?
[A]Root
[B]Boot
[C]Mount-point
[D]Partition
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132
Which command is used to mount file system read only.
[A]mount –a
[B]mount –v
[C]mount –f
[D]mount –r
View Answer
133
Which of the following is not a valid run-level
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134
On Linux, initrd is a file
[A]containing root file-system required during bootup
[B]Contains only scripts to be executed during bootup
[C]Contains root-file system and drivers required to be preloaded during bootup
[D]None of the above
View Answer
135
Which is loaded into memory when system is booted?
[A]Kernel
[B]Shell
[C]Commands
[D]Script
View Answer
136
The process of starting up a computer is known as
[A]Boot Loading
[B]Boot Record
[C]Boot Strapping
[D]Booting
View Answer
137
Bootstrapping is also known as
[A]Quick boot
[B]Cold boot
[C]Hot boot
[D]Fast boot
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138
The shell used for Single user mode shell is:
[A]bash
[B]Csh
[C]ksh
[D]sh
View Answer
139
Single user mode shell runs as
[A]Admin user
[B]Root user
[C]normal user
[D]Log user
View Answer
140
Which is the only partition mounted in Single user mode
[A]boot
[B]usr
[C]root
[D]tmp
View Answer